package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
public R<Employee> login(HttpServletRequest req, @RequestBody Employee employee){
        String username = employee.getUsername();
        String password = employee.getPassword();
// 将页面提交的密码password进行md5加密处理, 得到加密后的字符串
         password = DigestUtils.md5DigestAsHex(password.getBytes());
// 根据页面提交的用户名username查询数据库中员工数据信息
        LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
         lqw.eq(Employee::getUsername,username);
        Employee employee1 = employeeService.getOne(lqw);
// 如果没有查询到, 则返回登录失败结果
if(employee1==null){
  return   R.error("用户名或密码错误!");
}
// 密码比对，如果不一致, 则返回登录失败结果
if(!employee1.getPassword().equals(password)){
    return R.error("用户名或密码错误!!");
}
// 查看员工状态，如果为已禁用状态，则返回员工已禁用结果
if(employee1.getStatus()==0){
    return  R.error("该用户已被禁用");
}
// 登录成功，将员工id存入Session, 并返回登录成功结果
req.getSession().setAttribute("emloyee",employee1.getId());
return R.success(employee1);
    }
    @PostMapping("/logout")
    public R<String> loginOut(HttpServletRequest req){
        req.getSession().removeAttribute("emloyee");
        return R.success("退出成功");
    }
}
